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Yoshiharu Ogura — 2 Patents

Overall (All Time): #2,334,312 of 4,157,543Top 60%
2 Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4887764 Packaging box having an improper tear prevention structure — 1989-12-19
4752028 Packaging box having a tear prevention structure — 1988-06-21

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